20 Crazy Revelations About Harley Quinn And Poison Ivy's Relationship

It didn't take long for Harley Quinn to become one of Batman 's most mainstream villains. Ever since her very first appearance ever in the critically acclaimed Batman: The Animated Series 1992 episode, "The Joker's Favor", she was a fan favorite. It propelled her into multiple comic threads, a major role on the series, and into movies. It wasn't just this psychotic criminal's wacky sense of humor or her incredibly unhealthy relationship with The Joker that made fans adore her, it was also the bond that she shared with another one of Batman's most famous foes. Harley Quinn and Poison Ivy...Read more ...